Hallerman , 2006 ) Outstanding results of advertising will continue to come in the last months of 2007 with aggregate US online ad spending reaches at the end of this year around 19 .5 billion dollars . theless , this will be because of overall US economic weaknesses , in the United States real Gross Domestic Product growth is likely to down from over 3 percent in the year 2006 to around two percent in 2007 . It is interesting to note that , in spite of...











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